F4FED — FT8 activity observed at SO8OO

Observed FT8 message patterns

Attributed sample

351 messages

Active dates

18 UTC dates

Estimated median S/N

-6 dB

Estimated 10th-90th percentile

-13 to +1 dB

Recurring-pattern threshold

Met

SO8OO display ranges among successful decodes: weak (≤ -16 dB) 17, moderate (-15 to -9 dB) 104, strong (≥ -8 dB) 230.

WSJT-X defines S/N reports against a 2,500 Hz reference noise bandwidth. The ranges above are SO8OO receiver-side display categories, not official WSJT-X classes, transmitter-power measurements or estimates of how easy the station is to hear elsewhere. Statistics include only successful decodes on SO8OO's monitored FT8 channels; transmissions that were not decoded are absent.

Frequent counterpart tokens observed at SO8OO

Tokens most often paired with F4FED in decoded directed-looking exchanges:

Attributed messages by UTC hour

Rolling 90-day UTC chart window. Counts follow decoded message structure: the first token for CQ, or the second token in a directed-looking message.

Most frequent locator attributed to F4FED

The map compares the centres and boundaries of the locator field attributed to this token by decoded message structure, 2° × 1° as a Maidenhead square, and SO8OO's six-character receiver square. The separation is not an exact antenna-to-antenna distance or a radio-path length.

Attributed locator

JO10 · 199 decoded messages

SO8OO receiver locator

KN09VW

Locator-centre separation

1,335 km (approx.)

Last such locator decoded

2026-07-30 08:38 UTC

A decoded locator can describe portable, remote or special-event operation and is not proof of a permanent station address or transmitter identity.

Observed FT8 exchanges

S/N cells show: decoded at SO8OO / report transmitted by the counterpart. An observed exchange is not a QSL or an official logbook confirmation.

Recent FT8 messages decoded at SO8OO

Frequency values are decoder audio offsets in hertz, not RF frequencies.

UTC    dB Audio  Message
092115  -5 2634  SP3JHY F4FED JO10 (x2)
095215  -9 2637  EA1IIF F4FED JO10 (x3)
095715 -12 2601  DL9KM F4FED RR73
151400  -8 2551  LX1RFJ F4FED JO10
151545  -5 2551  IS0GMT F4FED R-07 (x3)
082830 -17 1202  F4FED IT9ZIR RR73
083715 -16 2463  IS0AAS F4FED JO10 (x3)
093445 -19 1182  F4FED IW2HUS +08

Decoder S/N history by band

Count-weighted daily averages across messages attributed to this profiled token and successfully decoded at SO8OO, limited to the rolling 90-day UTC chart window.